<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">app</div>
  </body>
  <script
    src="https://unpkg.com/react@16/umd/react.production.min.js"
    crossorigin
  ></script>
  <script
    src="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js"
    crossorigin
  ></script>
  <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
  
  <script type="text/babel">
    const msg= React.createElement("div", {
  id: "app"
}, /*#__PURE__*/React.createElement("h1", {
  onClick: () => {}
}, /*#__PURE__*/React.createElement("p", null, "15"), /*#__PURE__*/React.createElement("h1", null, "123456"), /*#__PURE__*/React.createElement("h1", null, "123456")));
console.log(msg)
    ReactDOM.render(
      msg,
      document.getElementById('app')
    )
  </script>
</html>
